JPH0332668A - Bubble generating bathtub by inverter control - Google Patents

Abstract

PURPOSE:To obtain a jet in which bubbles are mixed by mixing air sucked from an air intake part into bath hot water of a bath hot water formed feed passage, and to improve the bathing sense to a bathing person by connecting a control part to a pump driving motor through an inverter, and also, connecting an acoustic equipment to the control part, and controlling the speed of revolution of the pump driving motor, based on an output signal from the acoustic equipment. CONSTITUTION:To a control part C, an acoustic equipment 0 is connected, and it controls so that the speed of revolution of a pump driving motor M is varied in accordance with music from the acoustic equipment 0. The acoustic equipment 0 is connected to an input interface 24 of the control part C, and by a program stored by the control part C, an output from the acoustic equipment 0 is converted to an operating signal to the pump driving motor M, respectively. Subsequently, from an output interface 25, its signal is sent to an inverter I, and by the inverter I, the speed of revolution of the pump driving motor M is varied along the strength and weakness of the sound volume. By varying the speed of revolution of a circulating pump P controlled by the inverter I in accordance with the sound volume of music, a rhytyhmical bubble jet can be generated.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Industrial Application Field The present invention relates to a bubble generating bathtub with an inverter control 211.

(b) Conventional technology Conventionally, as a basic form of a bubble-generating bathtub, Japanese Patent Laid-Open No. 59-1
As described in Japanese Patent No. 35058, a bath water suction pipe and a bath water supply pipe are connected between the bathtub body and the circulation pump, and an air intake part is provided in the middle of the pipe.

With this structure, the circulation pump is operated and the pump sucks the bath water inside the bathtub body through the bath water suction pipe.
Then, the water is ejected from the same pump into the bathtub body via the bathwater supply pipe.

At this time, the air intake part mixes the bath water into the bath water by using the negative pressure generated by the jet of bath water from the air intake part, and removes air bubbles from inside the bathtub body. It turns into bath water and makes it squirt out.

(c) Problems to be Solved by the Invention However, the above-mentioned bubble-generating bathtub had the following drawbacks.

In other words, since such a circulation pump is driven at a constant rotation speed, the amount and pressure of the bubble-mixed bath water jetted from the jet nozzle are always constant. However, due to the constant jetting pressure, etc., it was not possible to improve the bathing sensation for bathers.

An object of the present invention is to provide an inverter-controlled bubble-generating bathtub that can solve the above problems.

(d) Means for Solving the Problems In the present invention, a bath water circulation flow path consisting of a bath water suction flow path and a bath water forced flow path is interposed between the bathtub body and the circulation pump, A jetting nozzle is formed at the opening of the bath water forced flow channel provided in the bathtub body, and an air intake part is connected in communication with the bath water circulation channel, and bath water mixed with air bubbles is sprayed from the nozzle into the bathtub body. In a bathtub configured to allow bubble generation, a control section is connected to a pump drive motor that drives a circulation pump via an inverter, and an audio device is connected to the same control section, and the same sound is transmitted from the nine devices to the control section N. Based on the output signal,
The present invention provides an inverter-controlled bubble-generating bathtub characterized by controlling the rotational speed of a pump drive motor.

Further, the present invention provides a jet nozzle with a valve body for opening and closing the nozzle, a motor for operating the valve body is connected to the valve body, a control unit is connected to the motor via an inverter, and further,
A sound 91a device is connected to the control unit, and the opening and closing operation of the valve body is controlled based on an output signal transmitted from the same sound IP device to the control unit.

Further, the present invention connects a control unit to a pump drive motor that drives a circulation pump and a valve body actuation motor that operates a nozzle opening/closing valve body via an inverter, and connects an audio device to the control unit. It is also characterized in that the number of rotations of the motor and the opening/closing operation of the valve body are controlled based on the output signal transmitted from the same-sound V device to the control unit.

(e) Functions and Effects In the present invention, the circulation pump is operated to circulate the bath water within the bathtub body, thereby spouting the bath water from the spout nozzle, and at that time, the air sucked from the air intake part. can be mixed into the bath water in the bath water forced flow channel to obtain a jet stream mixed with air bubbles.

By applying this jet stream mixed with air bubbles to desired parts of the body, you can enjoy the massage effect of shiatsu and other jet pressure, and furthermore, you can obtain the function of body purification and health maintenance through the ultrasonic effect produced by the air bubbles. I can do it.

In particular, in the present invention, the rotation speed of the circulation pump is changed by operating the pump drive motor based on the output signal sent from the iH9 to the control unit by the inverter, thereby generating a rhythmic bubble jet. I can do it.

Furthermore, in the present invention, the operating speed of the valve element actuating motor of the nozzle opening/closing valve element is changed based on the output signal sent from the audio equipment to the control unit by the inverter, so that the bath water is ejected from the ejection nozzle. The amount and ejection pressure can be changed rhythmically.

Furthermore, the pump drive motor and the valve body operation motor are operated by an inverter to simultaneously operate the circulation pump and open and close the valve body for opening and closing the jet nozzle based on the output signal sent from the sound 9 device to the control unit. It can be changed.

Therefore, while listening to the music, the rhythmic bubble jet that matches the music can improve the bathing experience for the bather.

(F) Embodiment An embodiment of the present invention will be explained in detail based on the drawings. First, the overall structure of the bubble-generating bathtub according to the present invention will be explained in detail.

A shown in FIG. 1 is a bubble-generating bathtub according to the present invention, and the open-air bubble-generating bathtub A has feet that automatically vary the amount of ejection on the front and rear walls and left and right side walls of the bathtub body l, which is formed into a box shape with an opening on the top surface. Six side jet nozzles 2, six dorsal jet nozzles 3, and six ventral jet nozzles 4 are provided.

The bathtub main body l has a brim-like edge 1a with a constant width on the periphery, an air intake part 5 is provided on the edge 1a, and a rear wall (back A ventral jet nozzle 4 is attached to the inclined surface 1b, lb on the side facing the rear wall.

Moreover, the ventral side jet nozzle 4 is installed at a higher position than the other leg side and dorsal side jet nozzles 2 and 3, so that the bath water can be reliably applied to the ventral side, chest side, and other parts of the human body. It is configured so that it can be done.

A pump protection case 9 is provided outside the bubble-generating bathtub A, and inside the case 9 are a circulation pump P that circulates the bath water, a filter 10 that filters the bath water, and a pump-driving device. A motor M and a control section C that controls driving of the valve body actuating motor 11 and the electric three-way valve 13 are provided.

Note that 10a indicates a discharge pipe from the filter IO.

Further, a bath water circulation flow path is interposed between the circulation pump P and the bubble generating bathtub A, and the bath water circulation flow path is as follows.
A bath temperature suction vibrator 15 for sending bath water from the bubble generating bathtub A to the circulation pump P, and a bath f! It consists of a bath water bullet conveying vibrator 16 for sending bath water to A.

The bath water suction pipe 15 has one end communicatively connected to the suction port 17 opened at the bottom of the bathtub body 1, and
The other end is communicated with the suction port 17 of the vII ring pump P, so that bath water is sucked into the same pump P.

On the other hand, the bath water bullet feed vibrator 16 has one end connected to the water outlet of the circulation pump P, and the other end connected to each of the jet nozzles 2.3.4.

In addition, the above-described suction port 17 is connected to the foot side/dorsal side jet nozzle 2.
, 3.

In addition, a pump drive motor M that drives the i-ring pump P
As shown in Fig. 2, an inverter I is interposed between the and the control unit C, and the rotation speed of the circulation pump P is controlled by changing the output frequency of the inverter I. The rotation speed of the pump P can be changed smoothly and reliably.

In addition, as shown in FIG. 2, a pressure detection sensor 18 is installed in the middle of the bath water pumping vibrator 16 to detect the water pressure of the bath water being pumped into the vibrator 16. The results are sent to the control unit C, which controls the jetting pressure of the bath water spouted from each jetting nozzle 2, 3.4 by adjusting the rotation speed of the pump driving motor M and the number of revolutions of each jetting nozzle 2, 3.4. Is it possible to control this by changing the opening/closing amount? It is configured to perform il.

In addition, as shown in FIG. 2, a bath water temperature detection sensor 19 is installed in the middle of the bath water pumping pipe 16 to detect the temperature of the bath water being pumped into the pipe 16. The detection results are sent to the control unit C, which controls the pump drive motor M and each jet nozzle 2.3.4.

Moreover, the above-mentioned air intake part 5 and each jet nozzle 2.3.
As shown in FIGS. 1 and 2, a plurality of intake pipes 20 are interposed between the intake pipes 4 and 4.
The air intake part 5 is connected to each jet nozzle 2.3.4.

Then, using the negative pressure generated when the bath water is spouted from each jet nozzle 2, 3.4, the air taken in from the air intake part 5 is
Pass through each intake vibrator 20 to each jet nozzle 2, 3.4.
The bath water mixed with air bubbles is spouted into the bathtub body 1 from each nozzle 2, 34.

Further, as shown in FIGS. 1 and 2, a replacement panel section 6 connected to the control section C is provided on the edge 1a of the bathtub body 1, and each A switch is used to operate the bubble generating bathtub A.

Reference numeral 21 denotes an infrared receiving section provided in the operation panel section 6, which receives infrared rays emitted from the remote controller 22.

Next, the control section C will be explained in detail.

As shown in FIG. 2, the operating section C is composed of a microprocessor MPU, an output interface 24, an input interface 25, a memory 26 consisting of ROM and RAM, and a timer 27.

In the above configuration, the input interface 24
These include a rotation speed detection sensor S that detects the rotation speed of the circulation pump P, a valve body reference position detection sensor SL that detects the valve body closing amount for the jet amount tMM, and a water pressure inside the bath water bullet delivery pipe 16. A pressure detection sensor 18 that detects the temperature of the bath water in the bathtub body l, a bath water temperature detection sensor 19 that detects the temperature of the bath water in the bathtub body l, and an infrared receiving sensor 21 that receives an infrared drive signal from a remote controller 22 are connected.

On the other hand, the output interface 25 is connected to the pump drive motor M, the nozzle valve body actuation motor 11, the electric three-way valve 13, and the drive unit of the filter 10.

The memory 26 also stores a drive order program for driving the drive units such as the motors M and 11 and the electric three-way valve 13 based on the output signals from the above-mentioned sensors and the drive signals from the remote controller 22. I remember.

In this embodiment, the rotation speed of the circulation pump P is adjusted by changing the frequency of the current supplied to the pump drive motor M by the inverter l.

Next, the structure of such an inverter (2) will be explained in detail with reference to FIG.

That is, the inverter I includes a converter section 28 having a diode 28a, a smoothing circuit 29, and a switching circuit 30.

Then, the inverter ■
The converter section 28 is connected to the converter section 28, and the converter section 28 is
It constitutes a rectifier circuit that rectifies AC voltage.

Further, the smoothing circuit 29 obtains a constant DC voltage by means of a coil 32 and a capacitor 33.

Furthermore, the switching circuit 30 is provided with six switching circuits 30.

Furthermore, an inverter control circuit 35 for the switching circuit is connected to the switching circuit 30.
The switching circuit 30 is actuated to drive the pump drive motor 12 at a desired output frequency.

Further, an operation panel section 6 is connected to the inverter control circuit 35 via a control section C, and the inverter I is operated by the panel section 6.

In the present invention, in the bubble-generating bathtub A configured as described above, the operation of the circulation pump P is synchronized with music to produce a rhythmic jet of bubbles.

That is, as shown in FIG. 2, the control section C is connected to an audio device O, and is controlled to change the rotational speed of the pump drive motor M in accordance with the music from the audio device O.

In this embodiment, the audio equipment O is connected to the input interface 24 of the control section C as shown in FIG.
The outputs from the audio equipment O are each converted into actuation signals to the pump drive motors M by a program stored in the n section C.

Then, the signal is sent from the output interface 25 to the inverter I, and the inverter I changes the rotation speed of the pump drive motor M in accordance with the intensity of the volume.

In this embodiment, for example, a CD deck is used as the audio equipment O, and the output signal from the deck is transmitted to the control unit C.
The control unit C converts the converted signal, and further sends the converted signal to the inverter 1, which inverter 2 controls the operation of the pump drive motor M based on the signal.

The inverter I converts the input frequency from the single-phase AC toov power supply according to the signal from the control unit C,
In proportion to the output frequency converted by inverter I,
The rotation speed of the pump drive motor M is controlled.

Then, by the operation of the pump driving motor M,
By changing the rotational speed of the circulation pump P, the amount and pressure of the bubble-mixed bath water jetted from each jetting nozzle 2, 3.4 is changed.

FIG. 5 shows, for example, the rotation speed of the pump drive motor M in accordance with the intensity of the music volume, and the operation of the motor M changes the rotation speed of the VTI ring pump P in accordance with the music.

With this configuration, a rhythmic jet of bubbles can be generated by changing the rotational speed of the circulation pump P controlled by the inverter (2) in accordance with the volume of the music.

Therefore, according to the present invention, while listening to the music, the rhythmic bubble jet that matches the music can improve the bathing experience for the bather.

Furthermore, it is also possible to control the rotational speed of the pump drive motor M by the inverter (2) according to the rhythm, melody, etc. of music.

In addition, 36 indicates a speaker attached to the wall of the bathroom.
It is connected to audio equipment O so that music can be played in the bathroom.

In another embodiment, music from the speaker 36 is picked up by a microphone connected to the control unit C, and the inverter ■ can control the rotational speed of the pump drive motor M depending on the strength of the volume. There is.

In addition, by manually inputting the voice of the bather into the microphone connected to the control unit C, the rotation speed of the pump drive motor M is controlled according to the strength of the voice, and the circulation pump P
It is also possible to eject bath water by operating the .

In addition, in this embodiment, a valve body 40 for opening and closing the nozzle is provided for each of the jet nozzles 2, 3.4 provided in the bathtub body 1, and a motor 11 for operating the valve body is attached to the valve body 40.
The foot-side spout nozzle 2 will be described in detail below.

That is, as shown in FIG. 3, a nozzle casing 41 is attached to the connection port of the bathtub body 1, and a connecting part 41a of the bath water bullet feed vibrator 16 and the intake vibrator 2 are attached to the casing 41.
0 connecting portions 41b are provided.

Further, a throat portion 42 is attached to the tip of the nozzle casing 41, and the throat portion 42 is swingable to determine the direction in which the bath water is spouted.

Furthermore, a valve seat 43 is provided at the rear of the nozzle casing 41, and a nozzle opening/closing valve body 40 is attached to the valve seat 43 so as to be movable forward and backward.

Further, a rod 40a is attached to the rear of the nozzle opening/closing valve body 40, and the rod 40a is attached to the nozzle casing 4.
A valve body actuating motor 11 is attached to the rear end of the valve body 40, and the valve body 40 is opened and closed by the motor 11.

Then, the valve body 40 for opening and closing the nozzle is moved forward and backward by the valve body operating motor 11 to control the amount of opening and closing with respect to the valve seat 43! The P1 section allows the amount and pressure of the bath water to be adjusted.

Furthermore, in the present invention, the valve body actuating motor 11 includes:
A control unit C connected to an acoustic m unit O is connected via an inverter I.

Then, based on the output signal from the audio equipment 0,
The valve body operating motor 11 is operated to open and close the nozzle opening/closing valve body 40 in time with the music.

In this embodiment, the operation of the nozzle valve body operating motor 11 is controlled by the inverter I, and the motor 41 is rotated at high or low speed in accordance with the volume of music from the audio equipment O.

Then, by operating the valve body actuating motor 11, the opening and closing speed of the nozzle opening/closing valve body 40 is changed, thereby rhythmically changing the spout amount and spout pressure of bath water from each spout nozzle 2, 3.4. .

In this embodiment, as shown in FIG. 6, the opening/closing speed of the nozzle opening/closing valve body 40 is changed based on the output signal from the sound W device O.

With this configuration, while listening to the music, a rhythmic bubble jet that matches the music can be generated, thereby improving the bathing sensation for the bather.

Further, in the present invention, the pump drive motor M and the valve body actuation motor 11 are controlled by the inverter I, and based on the output signal sent from the audio equipment O to the control unit C,
It is also possible to change the operation of each motor M, 11 at the same time.

According to the present invention, by simultaneously changing the operation of each motor M, 11, it is possible to change the bubble jet from each jet nozzle 2.3.4 in accordance with the music.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a bubble-generating bathtub according to the present invention, and FIG.
Figure 3 is a conceptual diagram showing the structure of the bubble generating bathtub, Figure 3 is a sectional view showing the structure of the jet nozzle, Figure 4 is an explanatory diagram showing the configuration of the inverter, and Figure 5 is a pump drive system using inverter control according to the present invention. FIG. 6 is a graph showing the number of revolutions of the motor, and FIG. 6 is a graph showing the opening/closing amount of the nozzle opening/closing valve body under inverter control. In the figure: Bubble generating bathtub: Circulation pump: Control unit: Inverter: Audio equipment: Bathtub body

Claims (1)

[Claims] 1. A bath water circulation flow path consisting of a bath water suction flow path and a bath water forced flow path is interposed between the bathtub body and the circulation pump, and the bath water provided in the bathtub body is A jet nozzle is formed at the opening of the hot water forced flow channel, and an air intake part is connected in communication with the hot water circulation channel,
In a bubble-generating bathtub configured to be able to spray bubble-mixed bath water from the nozzle into the bathtub body, a control unit is connected to the pump drive motor that drives the circulation pump via an inverter, and an audio device is connected to the control unit. An inverter-controlled bubble-generating bathtub, characterized in that the number of rotations of a pump drive motor is controlled based on an output signal connected to the audio device and transmitted to a control unit. 2. In addition to providing a valve body for opening and closing the nozzle in the jet nozzle,
A motor for operating the valve body is connected to the valve body, a control unit is connected to the motor via an inverter, an audio device is connected to the control unit, and an output is sent from the audio device to the control unit. An inverter-controlled bubble-generating bathtub characterized by controlling the opening/closing operation of the valve body based on a signal. 3. A control unit is connected via an inverter to the pump drive motor that drives the circulation pump and the valve body actuation motor that operates the valve body for opening and closing the nozzle, and an audio device is connected to the same control unit. The inverter according to claim 1 or 2, wherein the rotation speed of the motor and the opening/closing operation of the valve body are controlled based on an output signal transmitted from the audio device to the control unit. Controlled bubble generating bathtub.